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Photometry
Technical data
Optics
temperature-compensated LEDs and
photosensor amplifier in water proof
sample chamber
Ranges 0 – 150 mg / l O 2 ±3.5% *)
0 – 1500 mg / l O 2 ±3.5% *)
0 –15000 mg / l O 2 ±3.5% *)
Power
supply
Auto - OFF
Display
Storage
Additional
feature
Calibration
9 V powerpack battery
providing 40 hours operation
automatic switch-off
backlit LCD (on keypress)
internal ring memory for 16 data sets
real time clock
and date
factory calibration and
user calibration. Reset to factory
calibration possible
Dimensions
190 x 110 x 55 mm
(L x W x H)
Weight
0.4 kg (base unit)
Environmental Temperature: 0 – 40 °C
conditions rel. humidity: 30 – 90%
(non condensing)
CE- DIN EN 50081-1
conformity VDE 0839 part 81-1: 1993-03
DIN EN 50082-2
VDE 0839 part 82-2: 1996-02
* based on the use of potassium-hydrogenephthalate standards (DIN 38 409)
COD VARIO tube tests
The AQUALYTIC ® COD VARIO tube tests are available
for the measuring ranges 0-150 mg/l O 2 , 0-1500 mg/l O 2 and
0-15000 mg/l O 2 . Their chemical properties and a 16 mm tube
diameter is suitable also for use with Hach photometers.
Tube tests Quantity Order code
0 - 150 mg/l O 2 (25 pc.) mercury free 420710
(25 pc.) 420720
(150 pc.) 420725
0 - 1500 mg/l O 2 (25 pc.) mercury free 420711
(150 pc.) mercury free 420716
(25 pc.) 420721
(150 pc.) 420726
0 - 15000 mg/l O 2 (25 pc.) mercury free 420712
(25 pc.) 420722
(150 pc.) 420727
Standard solutions
Standard solutions are solutions with a defined concentration
and are provided to check the operation methods and
devices of the cuvette tests as well as the condition of optical
filters and the instrument.
Standard solutions Quantity Order code
100 mg/l COD 30 ml 420803
500 mg/l COD 30 ml 420804
5000 mg/l COD 10 ml 420805
COD - reactors
ET 108 / ET 125 / ET 125 SC**
Chemical digestion of the samples is a prerequisite for the
calculation of COD levels.
The required temperatures and reaction time are programmed
using the membrane keypad on the front of the
AQUALYTIC ® reactors ET 108 / ET 125 / ET 125 SC**. All units are
equipped with four temperature ranges (70/100/120/150 °C).
At the end of the reaction time, the reactors automatically
switch off and emit an acoustic alarm.
Reactor
Code
COD-reactor ET 108 418930
COD-reactor ET 125 418938
COD-reactor ET 125 SC** 418939
Technical data for COD-reactors
Temperatur ET 108 / ET 125 / ET 125 SC**:
70/100/120/150 °C ± 0,3 °C
Temperature ET 108 / ET 125 / ET 125 SC**:
70/100/120/150 °C ± 0.3 °C
Timer
30, 60, 120 minutes and
continuous operation, automatic
switch-off with alarm
Heating ET 108: 270 Watts
ET 125/ET 125 SC**: 400 Watts
electronically controlled,
with protection against overheating
Heating-up time approx. 10 minutes
Power supply ET 108: 230/115 V / 50-60 Hz
ET 125 / ET 125 SC**:
230 V / 50-60 Hz
Weight ET 108: approx. 2.15 kg
ET 125 / ET 125 SC**:
approx. 3.60 kg
Dimensions ET 108: 214 x 133 x 110 mm
(L x W x H) ET 125 / AL25 SC**:
275 x 155 x 95 mm
Approval CE
** SC: Single current (only 230 V)
➲ Please see pages 46 and 47 for further information
on our reactors
Highlights
■ ST-COD sealed tubes ready for use
■ Suppression of chloride interference up
to 1000 mg/l
■ 3 ranges:
Low range: 0 - 150 mg/l,
meets ISO 15705:2002
Middle range: 0 - 1500 mg/l,
meets ISO 15705:2002
High range: 0 - 15000 mg/l
17
General Catalogue January 2010